Glass-finishing machine.



Patented Sept. 25, |900. C. Z. F. BUTT. GLASS Fmlsmm; MAcH'ms.

(Application led Dec. 1, 1899.)

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(No Model.)

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N0. 658,466. l Patented"-S,ept..25, |900. C. Z. F. ROTT..

GLASS Fmlsnma nAcHmE.

(Application led. Dec. 1, 1899.) l (No lldel.) 2'Sheets -She'et 2.

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IINrrr rares ATENT OFFICE."

CHRISTIAN Z. F. ROTT, OF PITTSBURG, PENNSYLVANIA, ASSIGNCR TO THE MACBETH-EVANS GLASS COMPANY, OFSAME PLACE.

GLASS-FINISHING MACHINE.

SPECIFICATION forming part of Letters Patent No. 658,466, dated September 25, 1900. Application filed December 1, 1899. Serial No. '738,81l. (No model.)

To all whom t may @Owrw ing at their upper ends the furnaces or burn- Beit known that I, CHRISTIAN Z. F. ROTT, a ers C and C. The standards B and B are citizen of the United States, residing at Pittspivotally secured to the base, so as to be burg, in the county of Allegheny and State of capable of being rocked in the same plane, 55 5 Pennsylvania, have invented certain new and and are preferably provided with a bifurcated useful Improvements in Glass-Finishin g Malower portion d, embracing the hollow portion chines, of which the following,` is a speciticab of the base. .That portion of each standard tion, reference being had therein to the ac above the bifurcated portion is preferably companying drawings. hollow and forms the conduit through which 6o Io The invention relates to machines for irethe mixed air and gas is introduced into the Iinishing articles of glass, and more particufurnace. The lower end of this hollow porlarly to that class of machines which are emtion preferably terminates in a nipple c in a ployed for finishing the trimmed edges of line with the corresponding nipple d, formed blown articles, such as lamp-chimneys. on the p ortion b of the base and communi- 65 I5 It is one object of the invention to obtain cating with the chamber therein. This pora machine which is adapted to be employed tion b forms an air-conduitand is connected for finishing a large variety of articles and to a suitable source of supply. The nipples which may be quickly adjusted to' suit the vc and d are connected to each other by a shape of the particular article operatedupon. flexible sleeve e, formed of rubber or other 7o zo It is a further object to obtain a machine elastic material.

capable of performing its work satisfactorily f is a pipe extending into the hollow standand expeditiously and which requires in its ard and provided therein with an upturned manipulation but little skill on the part of portion j", this pipe forming the gas-inlet. the attendant. y Below the pipe fis arranged' a valve in the 75 25 My invention therefore consists, first, in hollow standard, which I have shown as conthe peculiar construction of the machine prosisting of a slide g, but which may be of any vided with a detachable rotatory support for suitable construction, by means of which the the article operated upon, whereby said supquantity of air passing through the standard port may be quickly adjusted in position or may be regulated. Each of the standards is 8o 3o exchanged for one of a different size, accordprovided at its lower end with a laterallying to the requirements of the work; further, projecting arm h, adapted to be operated by in the peculiar construction of the furnaces a foot-lever to rock the standards toward or and the manner of supporting the same; furfrom each other. ther, in the means by which these furnaces In the drawings I have shown the mechan- 85 3 5 are adjusted and moved toward or from the ism for operating these arms as consisting of work in the operation of the machine, and, pivotal heads D, provided with cam-slots ft', further, in the peculiar construction, arrangeadapted to engage with pins j, projecting ment, and combination of parts, as more fully from the free ends of the arms h. These heads hereinafter described and claimed. D are provided with laterally-extending foot- 9o 4o In the drawings, Figure l is a front elevan levers E, which are in a position to be under tion, partly in section, of my machine. Fig. the control of the operator. The standards 2is a longitudinal section therethrough. Fig. are also preferably counterbalanced, so that 3 is a plan view illustrating the mechanism they will remain in any position of adjustfor moving the furnace in relation to the ment. To accomplish this, I have shown 95 45 work. Fig. 4 is a perspective view of the rostandards k upon the base, in which are jourtary holder or support for the work; and Fig. naled rock-shaftsF, having at one end rock- 5 is a horizontal section, partly in elevation, arms Z in engagement with the standards through one of the detachable rolls of said and at their opposite ends provided with a holder. counterweighted arm m. 5o Upon a suitable base A are secured up- Between the furnaces C C at the upper. wardly-extending standards B and B, carryends of the standards is arranged the holder IOO or supports for the work, which is of the following construction:

G is an arm extending laterally between the furnaces and pivotally secured at its rear end to a suitable standard H. The forward portion of this arm is preferably bifurcated and has journaledtherein a series of transverse shafts l, l', and I2. Upon these shafts are secured a series of sprocket-wheels J, J', and J2, preferably arranged between the bifurcations of the arm. The shafts I, I', and 12 have secured thereto on opposite sides of the armsthe rolls K K' K2.

L is a sprocket chain passing over the sprockets J J' J2 and an idler-sprocket J3 upon the arm G and around Va drive-sprocket I-l' on the standard H, the latter being driven from any suitable source of power. To permit of vertical adjustment of the arm G, a tightener M is provided for the chain L, which is adapted to take up the slack in different positions of adjustment. The forward end of the arm Gis vertically and adj ustably su pported,pref erably, by means of the screw N, secured to a standard N' and bearing against the arm G, said screw being provided with an operating hand-wheel N2 and a lock-nut N3 for holding it in any position of adjustment.

N4 shows arms secured to the standards B and B', projecting forwardly therefrom, and N5 shows adj usti iig-screws'engaging said arms and adapted to bear against the frame N' to form adjustable stops for limiting the inward movement of the rock-arms B and B'.

The rolls K K K2 constitute a driven-roller bearing, upon which is supported a detachable rotary holder or supportfor the work. This detachable rotary support comprises a pair of rolls O, which are supported in parallel adjacence upon said roller-bearing and respectively between the rolls K K and K and K2. Each of the rolls O preferably consists of two disks or flanges n, connected by a shank o of smaller diameter, so as to form a bearing for the work at two points. The rolls O are held from endwise movement upon the roller-bearing preferably by providing the rolls K, K', and K2 with a series of grooves in which the iianges n, are adapted to engage.

From the construction just described it will be understood that the rolls K K2 are driven at a uniform peripheral speed by means of the drive-chain L. Thus the rolls O will be given asimilar rotary movement, as indicated by the arrows in Fig. 2, and if an article, such as the lamp-chimney be placed upon the rolls O it also will be revolved. In order to prevent danger of cracking the glass article supported by the rolls O, the anges n thereof are provided with tires q, formed of a nonheat-conducting material, such as asbestos, and which are secured in any suitable manner to the periphery of each disk, as shown in Fig. 5.

The furnaces C and C' are of peculiar shape, as shown in Fig. l of the drawings, consisting of a body portion r and an upward-extending portion s of lesser diameter, forming at the inner side a laterally-projecting portion t, in which is formed the upwardly-ex tending slot or aperture u. The object of this peculiar shape is to secure a better mixing of the gases within the furnace-chamber before they are blown out through the aperture u and directed against the work. The latter is held in such relation to the furnace as to have its trimmed edge projecting into the path of the upwardly-directed flame, passing out through the aperture u, as shown in Fig. l. The furnaces and holder-are preferably inclosed in a suitable hood .or casing P, provided with a suitable exhaust or chimney connection (not shown) and havingin its forward side a window Q, through which the work may be introduced and taken out.

The parts being constructed as shown and described, the operation of the machine is as follows: The operator before beginning his work adjusts the furnaces and the rotary holder in proper relation to each other and to the work supported by the holder. Thisadjustment is, in the lirst place, secured by vertically adjusting the end of the arm G by means of the screw N to bring the rolls K, K', and K2 at the propel' elevation. A pairof detachable rolls O are then placed upon the rolls K K', the., which are selected to suit the particular article which is to be operated upon. Thus if the article (such as a lamp-chimney) is of considerable length rolls are selected which have long Shanks o, so as to obtain a greater separation of the disks n. If, on the other hand, the article is short, a pair of rolls having correspondingly-short Shanks are selected. The diameter of the rolls may also be varied according to the character of the article supported thereon. The operator then adjusts the screws or adjustable stops N5, so as to limit the inward movement of the standards B and B' at that point where the ends of the article on the rotary support will bein the path of the upwardly-directed jets from the furnaces. The furnaces or burners are then lighted and the proper mixture of air and gas is obtained by adjusting the air shutolf valve g and the gas-valvef in the gaspipe f, the latter being connected by a valved pipe j with a suitable source of supply. As the gas enters the hollow standards through the upturned nozzle f', said standards will form a Bunsen burner, in which the gas and air are thoroughly mixed and ignited and the mixture is blown up into the furnace-chamber. As before described, the furnace-cham` ber is of such shape that the ignited mixture entering therein is Iirst directed into the upward extension s and must then turn in a downward course before passing through the aperture u. This secures more perfect combustion and intensifies the heat of the jet.

The machine is now in condition to use, m0-

tion being imparted to the rollers K through the chain L and from said rollers to the detachable rolls O. The operator then places IOO IIO

ISO

an article to be finished upon the rolls O, Which impart theretoa rotary movement, after which by means of the levers E he rocks the standards B and B', so as to move the furnaces inward u ntil arrested by the si op N5. Here the ends of the rotating article will be subjected to the jet directed laterally lhcreacross, which in a very short time Will be brought to a state of fusion. As, however, the two ends are seldom of uniform thickness, one is generally heated before the other, and to avoid damage thereto by continued heat the furnace must be moved back into the position shown in dotted lines, Fig. 1. The operator accomplishes this by pressing his foot against the lever E, and as the standards B and B are counterweighted the furnaces will remain in Whatever position they are moved to. When the opposite end of the article is sufficiently heated,its furnace is correspondingly moved back, after Which the article may be removed and another one placed in position and the operation repeated. If at any time the operator desires to use the machine for articles of Adifferent size or shape, he may quickly remove the detachable rolls O and replace them by others of the proper size, this adjustment requiring much less time for its accomplishment than if the rolls O formed an integral part of the machine.

It will thus be understood that with my machine the work may be performed much more expeditiously than with machines heretofore employed and at the same time that the manipulation is so simple asto require but little skill on the part of the Workman.

Although I have made use of the term furnace7 in the description of my invention and shall employ the same term in the claims, I do not intend to be limited thereby to the particular type of furnace shown; but beyond that the spirit of my invention includes any form of burner that is suitable for heating the Work and for being employed in connection with the other elements described.

What I claim as my invention isl. In a glass-finishing machine, the combination with a drive mechanism of a rotatory supporting member for the Work, detachably supported on and driven by said drive mechanism and adapted to revolve the Work around a horizontal axis.

2. A rotatory work -holder comprising a driven-roller bearing, and a detachable supportingroll for the Work resting thereon and rotated thereby and adapted to impart a like rotary movement to the work.

3. A rota-tory Work-holder comprising a driven-roller bearing and a pair of detachable rolls supported in parallel adjacence upon said Y bearing and rotated thereby.

5. In a glass-finishing machine, a rotatory Work-holder comprising a driven-rollerbearing, a pair of detachable Work-supporting rolls resting in parallel adjacence upon said bearing and rotai ed thereby, and means for holding said detachable rollsl from longitudinal movement in different positions of adjustment upon said roller-bearing.

6. In a glass-finishing machine, a rotatory work-holder comprising a driven-roller bear'- ing having a series of parallel grooves and a pair of detachable Work-supporting rolls each consisting of separated circular flanges and con necting-shanks, said detachable rolls resting upon said bearing with their flanges engaging the parallel grooves therein.

7. In a glass-finishing machine, the combination with a work-holder, of a furnace and a rocking support for said furnace adapted to move the same toward or from the Work.

8. In aglass-iinishing machine, the combination with a work-holder, ,of a furnace, a

standard supporting said furnace, means fory rocking said standard to move said furnace toward or from the Work, and an adjustable stop for limiting the inward movement of said furnace.

9. In a glass-finishing machine, the combination with a work-holder, of afurnace, a hollow standard supporting said furnace and forming a conduit and mixer for the combustible gases and means for rocking said standard to move said furnace toward or from the Work.

l0. In a glass-finishing machine, the combination with a Work-holder, of a furnace, a hollow standard supporting said furnace, a hollow base to which the lower end of said standard is pivotally connected, a iieXible coupling between said hollow base and standard and means for rocking said standard to move said furnace toward or from the Work.

ll. In a glass-finishin g machine, the combination with a Work-holder, of a furnace, a supporting rocking standardtherefor adapted to carry said furnace toward or from the Work and a counterbalance for holding said standard in its different positions of adjustment.

l2. In a glass-finishing machine, a standard, a laterally-projecting arm pivotally connected to said standard, a rotatory Workholder carried at the outer end of said arm, a furnace arranged upon opposite sides of said holder and a vertically-adjustable support for the free end of said arm whereby the position of said holder relative to said furnaces may be adjusted.

13. A glass-finishing machine comprisinga standard,an arm extendinglaterally|from said standard, a rotatory Work-holder supported upon said arm, a pair of standards arranged upon opposite sides of said arm, furnaces supported upon said standards, foot-levers for rocking said standards to move said furnaces toward or from the Work and means for vertically adjusting said laterally-extending arm.

ICC.

IIO

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14. In a glassnishing machine, a rotatory support; for the work'comprising a pair of separafod circular flanges or disks having a oonneeting-shank, and a tire of. non-heat-oon` ducting material secu r'ed to the periphery of. each disk.

15. In a glass-finishing machine, a furnace comprising the hollow casing having main portion an upwardly-projecting portion of lesser width forming at one side a laterallyextending ledge or shelf, said ledge having a slot or aperture therein, substantially as described.

416. In a ,f flass-finishing` machine, afurnace y `comprising the body portion r, and the up Wardly-extending portion s of lesser diameter forming at oneside the laterally-projecting ledge or shelf t, said ledge having the slot or aperture rwtherein, substantially as and for the purpose described.

In testimony whereof in presence of two witnesses;

y CHRISTIAN Z. F. ROTT. l Witnesses:

JAMES I. KAY, t ROBERT C. TOTTEN.

I ax my signature 

